/*
 * Copyright (C) 2010 Graham Allan
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.strath.cis.grallan.findbugs.adaptiveranking;

public interface RankingStateListener {
	void notifyReset();

	void notifyBugCollectionSet();

	void notifyCanRefresh();
}

interface RankingStateObservable {

	boolean canCompute();

	boolean rankingComputed();

	boolean canRefresh();

	void refresh();

	boolean addStateListener(RankingStateListener toAdd);

	boolean removeStateListener(RankingStateListener toRemove);

}